2 X 15" Folded Bass-Bin For Modular Systems

Here's a 2 X 15" folded bass-bin cabinet, Ideal for club and party systems.... Use this with Mid-High cabs.

Ok... Not so simple this one, but... This is a 'Short-Throw' bass-cab, and thus ideal for a club/party sound, where you want good radiating bass... There are other designs, such as W-bins, but they are generaly Long-Throw.

You'd better be good with a saw, and get yourself a mitre-form cos you need to cut alot of mitred joints, and they need to be accurate.... Still, for a few bucks/squids, the wood-shop should assist you if you present them with the plan.

At first the plan does look a bit hair-raising, but start to visually strip it down, and it gets clearer.... The best way to do it, is to cut out the side panels, then do all the measurements on the inside edge of the two sides, and mark it out with pencil.

Next, get all the inner panels, and sit them on the drawn out lines/plan.

Do plenty of dry runs, (putting in the center pieces, then lowering the other side panel onto the top, without glue or screws to check all the joints).....Again, the mitre-ing (cutting of angled joints) needs to be spot-on... You can't have loads of gaps everywhere.

You'll see 2 small pieces labelled - "Bracing Stuts on CL" on the plans.... these are to re-inforce the first two angled inner-panels at their center point ......these struts should be right on the center-line, made from planed baton...The two final inner-panels holding the speaker units are naturally re-inforced at the center by their connection at the angle of convergence (er... where the ends meet).

All the inner, top, front and rear panels are of course, the width of the inner-cabinet width dimension....basically, everything is contained within the two side panels..... It seems a bit weird, but once the sides are screwed into these pieces, it will all come together.

This cab has a removable back panel so you can get at the speaker units... it's a little unclear from the plan, but, the inner-lip runs all the way round the opening.... The final back-panel fits in flush with the back of the cab...

DO NOT use chipboard for this cab... use PLY or MDF.

You can build another pair, and add them together with the first pair for more power.... If you do this, you get an even lower bass response, down to 38Hz... just make sure of the impedences, and the way you wire it.

The speaker brand is up to you. Check with the supplier for cross-over if used in a passive system..... It should be rated at 500Hz.

LOUDSPEAKERS

2 X 15" BASS

CROSSOVER

BASS - MID @ 500 HZ

PERFORMANCE

From 55 Hz, up to 500 Hz, at a sensitivity of 103 db of high power fundamental bass

CONSTRUCTION

Very complexed. mark out the side panels as section 'XX' to aid construction.
Panels need to be mitred accurately

i lot of nyc clubs use this cabnet loaded with 2 jdl or tad8" drivers and with a extension on the front for longer throw they call it a leavan it was first designed by richard long he named it after a big dj.

I like the look of theses cabs but would it be possible to add a couple of small mid/high frequency horns in the flat panel in the middle to give a full range PA cab? Or do you have any plans for a compact full range folded horn cab?

Nice page. Lots of people are looking for plans.How about plans for the old JBL "15 inch scoop" ? Good low end from the folded horn + good mid from the direct radiation of the front of the speaker. (rear of speaker feeds the horn). This is also one of the smoothest sounding horn designs that I've heard +its by far the easiest to build bar none. I have these plans if your interested.

I am very impressed with the detail of the design. I have been looking for the actual design of a single 18 W-bin for the longest while. I know there are two different basic types. The one that Sonic uses, and the one EAW uses. If you have any plans for these or any tips they would be greatly appreciated.

please could you help me.i have 4x rcf ls800 speakers.i am running them 2 aside in front load bin.etone design.the bottom end is very good but is boomy.i am a dj and my other dj freinds use s bins please could you email me plans or let me know how to get them.or should i go to 15sx2 in and fold horn.THANKS FOR YOU HELP.IT HAS TAKIN ME MOUTH TO FIN SIT.

yeah i know, the problem is with pa on the www, it's full of old fart smart-asses who never contribute shit on the www, who dont have a clue about ruffcut playouts for dance music, and they sit there and bang on about 'more efficiency' etc... I guess they were never young, never owned a small 'disco' pa no matter how crappy, and never had the buzz of getting out there and banging some tunes for a party or whatever - they just dont get it. They've obviously NEVER been out raving to a dub/dancehall PA with home-made boxes etc etc & their attitude is akin to those stereotypical nightmare 'hi-fi' salesmen made famous by TV comedy pisstakes.

anyways, you can carry on 'carping', but how about CONTRIBUTING!!! - If you know so much send some plans in and we'll post them up or start a site yourself - whatever...

I have a question about this cabinet.How would it sound with two eminece kappa 15 L speakers, because have these speakers in the basement, and I like the looks of these cabinets but a friend said to me that the Xmax of my speakers(1.6mm)is to small for a horn

Built two of these bad boys. First one was built with 3/4 plywood and Eminence OMEGA PRO-15A's. Second built with MDF and KAPPA PRO-15LF's. MDF makes the cab really heavy (2 people to unload the bin from the trailer). Both powered with RMX-1450's in bridge mode LP at 110Hz - HP at 30Hz. Could actually power with the 1850 if you know what your doing. Been hammering these cabs for 2 years now without damage (to the cabs!). Make sure you build these things tight, or you will destroy your cabinet. Really like the cabs! Good LF extension in my PA! Thinking about cutting the plans in half so I can handle the beast with one person! Have pictures if interested! Thanks for the website, Ken.

hello i need to know what type of wood i use for something like that but see i want to make it with 12" speakers 3X can u give me a design of how it should look and the inside of the box how its folded thank you from you time

I built this sub bin out of 3/4" birch ply with the help of a local woodshop that did the cuts. First I coverted to inches and drew an actual size layout to physically calculate the angles. I modified the back to accomodate the large magnets on the speakers. I got a couple of 8ohm 400W 15's from MCM at $100 each. I'm using an 800W Crown amp bridged to mono 4ohm. I'm getting better sound than foljs with larger amps and more expensive speakers. I left the finish the natural birch for now with several coats of poly. Maybe when it looks a little road weary I'll paint it. This was one of the most difficult wood prodjects I've ever done...lots of weird angles. I'm very satisfied with the results.

All these plans are in the market for years. I personaly got an eminence book full of them. acoustic rules have not changed. It was great in the0s, it is still excelent today. But be aware that not all drivers can handle this properly. Low QTS and long excursion. Round all angles on the pasth to optmize flow...

Cabinet is similar to RCA type Shearer 'W' box. I own 2 of them. They even have the mounting holes drillid for the bass extention wings that was to be used with the baffle. I also have 1 of the RCA 'ubangi' bass bins. Design is from 1943 radial design to use the back wave of the horn which was not used in the 'W' type cabinet. Keep up the good work with your box and your site!

Good stuff . . I'm looking for a design that uses a single 15" driver for bass guitar use with good performance around 40 to 200 Hz. Is that asking too much? Can't be the size of an Elephant either, perhaps that's definately is asking too much.

these cabinets are proven old school used by 1000s of pro rock outfits..too bad about the weight of them..

Has anyone heard of the CONCORD BINS that kosmic sound made in the early 80s..west australia.. they had 15s on their side with a curve ..then 12 inch speakers for the higher range.. 1200 watts /cabenet..I saw Black sabath useing them..10 a side..great sound..

...single bass cabinets existing with real parameter i'ts TSE-Infra by Acoustic Line Products. Not exist in worrld, one subwoofwr Pro, more good ...mabe only Turbosound T4...I'M BELIEVE IN REALY PERFORMANCE...

I have four 18" Eminence Kilomax speakers (8ohms each, 1,250 watts each)that I'd like to use to put inside two long throw bass bins (horn type). Do you have any plans for cabinets that would work? Please also email me at scott@scottcarlisle.com

Very nice design, I have not seen this type of cabinets this side of East Africa. Can you also please send to me plans for 18inch speakers both single and double speakers per cabine to my email. ken_karisa@yahoo.com. I would really appreciate your positive response. Keep up the good work it will help replace worn-out cabinets. Thank you very much.

I'm writing from Kosovo. I was worked more than 7 years DJ in Night Clubs. I watch this project of Bass Cabinet but i will ask you for one cabinet wich is with on Loud speaker for 15 inch. I got a pictures from one old magazine wich is similar like this cabinet but half of this one and it was from FANE Production. My questin isthat can you find the project of that cabinets how to make because i have a friend carpinter who can made it for me. If is posiblle i will be wery happy...

this speaker was a lil tricky to build...after figuring the miter cuts it was a breeze to put together... with the help of a nail gun... did not want to use a lot of wood so it was scaled down in hieght and added 4 inches to its lenghts.. took 7 2x4x3/4 sheets to build ....only built one ...i used a 450 watt per side amp to test with two vega woofers....awsome sound the sub was so hard hitting and clear it put a smile on my face.....cant wait to crank up the table saw for second one ...keep up the good work

i am a carpenter and joiner and i have just constructed one of your W bin cabinets . i really love the feel of the sound but i am only useing a kam z 350 rms 15inch speakers and crossover what speaker and crossovers should i be useing for maxam inpact please email back on sybug@aol.com

I built one of these bass bin 25 years ago for the baas player in a rock band. If constructed correctly it will give the user solid rib busting bass. At high volumes in small venues it can even make you feel alittle sick. The draw backs are it only usable up to about 300Hz so you need a Mid-Top cab. Also even constructed in ply their heavy in MDF you need a big fit roady. If your using this cab at high sound presure level you may find it useful to fix some ribs to the removeable back to damp out cabinet vibration. Take your time in the construction and you will be rewarded.

Hi. I am writing from Kosovo, Prizren town. Long time ago i wanted this cabinet photos. I'm working DJ in one small night club. I havemy speakers also some bass cabinets but it is not really basswhish i want to hear. My question is, is it any possibilities to send me anprojectof this bass bin cabinetsbut for one Loud speaker, not for two like this in this pictures/Web. I need a dimensions of that cabinet(With one Bass Loud Speaker) because i want to make box/bass cabinet. If is any possibilities i willbe happy. Thanks

Excellent plans, I have a set and always wanted to add another pair...now I can. Well presented!

Does anyone know where I can find plans for Void Looney bins? I heard some at the Notting Hill carnival in the UK a few years ago and want a set, but South Africa has no suppliers so I have to build it myself,and import the 1000W drivers from the Void Acoustics in the UK. Please help … anyone..

I have a folded horn box with one 15". It looks similar to this but without the center bracing.It is old and falling apart and I want to build two to replace it. The application is outdoor bass. Can this plan be adapted/simplified (for dummies) for a single 15 wwithout the bracing? The sub that I fill it will probably be 400 watts.

Marvalouse designs with the punched bass reproduction for my high end hi -fi PA system.I operate the sub system with "SS1500 DUSONIC" purchased from THIRUPPARANKUNDRUM near Madurai India.In addision to the above said amp i add Ahuja 500w power amp for the mid and hf reproduction. Fantastic hi fi PA setup .Thanks

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